CN109251055A - A kind of method that industrial sludge prepares thermal-insulation particle with building waste, industrial residue - Google Patents

A kind of method that industrial sludge prepares thermal-insulation particle with building waste, industrial residue Download PDF

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Publication number
CN109251055A
CN109251055A CN201811394848.1A CN201811394848A CN109251055A CN 109251055 A CN109251055 A CN 109251055A CN 201811394848 A CN201811394848 A CN 201811394848A CN 109251055 A CN109251055 A CN 109251055A
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CN
China
Prior art keywords
rubbish
industrial
thermal
industrial residue
sludge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811394848.1A
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Chinese (zh)
Inventor
张亚兵
贾红华
周俊
谢欣欣
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Nanjing Tech University
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Nanjing Tech University
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Publication date
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Priority to CN201811394848.1A priority Critical patent/CN109251055A/en
Publication of CN109251055A publication Critical patent/CN109251055A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/009Porous or hollow ceramic granular materials, e.g. microballoons
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00Clay-wares
    • C04B33/02Preparing or treating the raw materials individually or as batches
    • C04B33/13Compounding ingredients
    • C04B33/132Waste materials; Refuse; Residues
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00Clay-wares
    • C04B33/02Preparing or treating the raw materials individually or as batches
    • C04B33/13Compounding ingredients
    • C04B33/132Waste materials; Refuse; Residues
    • C04B33/1321Waste slurries, e.g. harbour sludge, industrial muds
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00Clay-wares
    • C04B33/02Preparing or treating the raw materials individually or as batches
    • C04B33/13Compounding ingredients
    • C04B33/132Waste materials; Refuse; Residues
    • C04B33/1324Recycled material, e.g. tile dust, stone waste, spent refractory material
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/60Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes

Abstract

The invention discloses a kind of methods that industrial sludge and building waste, industrial residue prepare thermal-insulation particle; belong to solid waste resource recovery and utilizes field; it is mixed including building mine rubbish, the powder of industrial residue sieving approach separation and general industry sludge according to percentage 30-40%, 10-15% and 40-50%; it breaks up broken; rolling is granulated; the splat drying and processing that rolling pelletizer generates, prepares aqueous 5% thermal-insulation particle below and is directly used as thermal insulation material.General solid waste is utilized in reasonable resource of the present invention, and treatment process is simple, low in cost, realizes energy-saving and environment-friendly double effects.

Description

A kind of method that industrial sludge prepares thermal-insulation particle with building waste, industrial residue
Technical field
The present invention relates to solid waste resource recoveries to utilize field, and in particular to a kind of industrial sludge and building waste, work The method that industry waste residue prepares thermal-insulation particle.
Background technique
In recent years, increasing with general solid waste yield, it has also become pollution urban environment, influence civil plantation, How the social concern for perplexing economic development follows the principle of sustainable development, reduces general industry sludge and building mine rubbish The influence of rubbish, industrial residue to environment, turns harm into good, turns waste into wealth, and realizes the resource utilization of waste material, it appears heavy to closing It wants.
The phenomenon that municipal sewage plant of China generally existing " light mud of heavy water ", the interim sludge for disposing means account for total amount One third, the general solidification disposal of waste in China is most of with agricultural, landfill or incineration disposal, and landfill and directly land use are not only Environmental pollution is caused, the Regulation capacity to water body is also reduced, the later period will bring these rubbish and consumption place and resource Change the sharp contradiction that processing means fall behind.
The present invention is using general industry sludge and builds mine rubbish, the thermal-insulation particle that industrial residue produces, one had The excellent performance characteristics such as density of series is low, cylindrical compress strength is high, porosity is high, coefficient of softing is high, frost resistance is good, for existing rank Duan Jianzhu environmental protection and energy saving material has important value and significance.
Summary of the invention
The main purpose of the present invention is to provide a kind of industrial sludges and building mine rubbish, industrial residue preparation heat preservation grain The method of son, the method for the present invention processing cost is low, good economy performance, and application prospect is good.
A kind of method that industrial sludge prepares thermal-insulation particle with building mine rubbish, industrial residue, comprising the following steps:
Step (1): the building mine rubbish of collection, industrial residue are subjected to sieving approach.
Step (2): the big aggregate after screening transports row coarse crushing, screens out aggregate and powder after broken.
Step (3): the powder for building mine rubbish, industrial residue crushing and screening and general industry sludge are mixed.
Step (4): the sludge that step 3 mixes is carried out breaing up stirring by breaing up blender.
Step (5): the sludge after stirring will be broken up and be sent into rolling pelletizer, and 10% particular modification agent is added.
Step (6): the splat progress drying and processing for being about 1cm by the diameter that rolling pelletizer generates, aqueous the 5% of generation Thermal-insulation particle below is directly used as thermal insulation material.
Step (7): system is subjected to closed loop processing, the dust and exhaust gas utilization cyclone separator generated in drying course removes Dirt, desulfurizing tower desulfurization, active carbon adsorption column adsorption treatment exhaust gas, avoids foul smell and dust pollution.
Step (8): carrying out specification packaging for aqueous 5% thermal-insulation particle below and be made finished product, or by thermal-insulation particle and steps 1 and 2 Screening aggregate is processed into some thermal insulation materials.
Preferably, building mine rubbish, the advanced material bin of industrial residue described in step 1 slip in oscillating feeder, vibration Dynamic batcher is castor structure, and band pre-screening function, as screenings, the material of > 10mm enters next the powder of < 10mm Walk coarse fraction.
Further, big aggregate described in step 2 enter jaw crusher carry out coarse crushing, be crushed after material through belt feeder into Enter Complex-frequency screen, the powder carry of the < 10mm that sifts to powder heap, oversize is delivered to aggregate heap.
Preferably, building mine rubbish, industrial residue described in step 3 and general industry sludge total amount percentage are 30- 40%, 10-15% and 40-50%, general industry moisture percentage in sewage sludge is 60% or so.
Preferably, drying temperature described in step 6 is 650-800 DEG C, and dryer system is supplied using biological particles burning Energy, and heat exchanger is set, the preheating that desiccation preheating and remaining modifying agent are reacted to release with water collects, and adds to next time Heat reduces energy consumption.
Further, the dust for dedusting being adsorbed described in step 7 is recycled back to step 3, is used in mixed way with building mine rubbish.
Further, the thermal-insulation particle of preparation described in step 8 can prepare insulation board with step 2 screening aggregate according to a certain percentage Brick.
The method that a kind of industrial sludge and building mine rubbish, industrial residue of the invention prepares thermal-insulation particle, has such as It is lower the utility model has the advantages that
Building mine rubbish, industrial residue and general industry sludge is utilized in reasonable resource, and realizing turns waste into wealth, and keeps away Exempt from the environmental problem of these solid waste irrational utilizations generation, and treatment process is simple, it is low in cost, it realizes energy-saving and environment-friendly Double effects.
As primary raw material and particular modification agent is added using sludge in this method, by remodeling, makes to enter inside sludge a large amount of The thermal and insulating performance of air, air is fine, and with building mine rubbish, industrial residue powder united forming so that heat preservation grain Sub- autologous density and thermal conductivity are all smaller, and quality lightens, and have good heat preservation and energy conservation effects.
This method has good fire resistance, modifying agent to build mine rubbish, industrial residue nonflammable material as major ingredient Its waterproof performance is improved, thermal insulation material is made to have good waterproofness, improves the durability for preparing thermal-insulation particle material.
Detailed description of the invention
To clearly state technical solution of the present invention, the following drawings is seen:
Fig. 1 is the method flow schematic diagram that a kind of industrial sludge and building mine rubbish, industrial residue prepare thermal-insulation particle.
Specific embodiment
A kind of method that industrial sludge prepares thermal-insulation particle with building mine rubbish, industrial residue is present embodiments provided, The method comprises the steps of:
Step (1) as shown in Figure 1:: the building mine rubbish of collection, industrial residue are subjected to sieving approach.
Step (2): the big aggregate after screening transports row coarse crushing, screens out aggregate and powder after broken.
Step (3): the powder for building mine rubbish, industrial residue crushing and screening and general industry sludge are mixed.
Step (4): the sludge that step 3 mixes is carried out breaing up stirring by breaing up blender.
Step (5): the sludge after stirring will be broken up and be sent into rolling pelletizer, and 10% particular modification agent is added.
Step (6): the splat progress drying and processing for being about 1cm by the diameter that rolling pelletizer generates, aqueous the 5% of generation Thermal-insulation particle below is directly used as thermal insulation material.
Step (7): system is subjected to closed loop processing, the dust and exhaust gas utilization cyclone separator generated in drying course removes Dirt, desulfurizing tower desulfurization, active carbon adsorption column adsorption treatment exhaust gas, avoids foul smell and dust pollution.
Step (8): carrying out specification packaging for aqueous 5% thermal-insulation particle below and be made finished product, or by thermal-insulation particle and steps 1 and 2 Screening aggregate is processed into some thermal insulation materials.
Preferably, building mine rubbish, the advanced material bin of industrial residue described in step 1 slip in oscillating feeder, vibration Dynamic batcher is castor structure, and band pre-screening function, as screenings, the material of > 10mm enters next the powder of < 10mm Walk coarse fraction.
Further, big aggregate described in step 2 enter jaw crusher carry out coarse crushing, be crushed after material through belt feeder into Enter Complex-frequency screen, the powder carry of the < 10mm that sifts to powder heap, oversize is delivered to aggregate heap.
Preferably, building mine rubbish, industrial residue described in step 3 and general industry sludge total amount percentage are 30- 40%, 10-15% and 40-50%, general industry moisture percentage in sewage sludge is 60% or so.
Preferably, drying temperature described in step 6 is 650-800 DEG C, and dryer system is supplied using biological particles burning Energy, and heat exchanger is set, the preheating that desiccation preheating and remaining modifying agent are reacted to release with water collects, and adds to next time Heat reduces energy consumption.
Further, the dust for dedusting being adsorbed described in step 7 is recycled back to step 3, is used in mixed way with building mine rubbish.
Further, the thermal-insulation particle of preparation described in step 8 can prepare insulation board with step 2 screening aggregate according to a certain percentage Brick.
Embodiment 1
Building mine rubbish, industrial residue are poured into hopper and slipped in oscillating feeder, oscillating feeder is castor structure, Band pre-screening function, is first sieved, and to powder heap, the big aggregate of > 10mm enters in next step the powder carry of < 10mm after screening Second-time breakage is carried out, selects jaw crusher to carry out screening after being crushed and obtains aggregate and powder.
By the powder and general industry sludge of building mine rubbish, industrial residue crushing and screening, (moisture content is on 62% left side It is right) it is mixed according to 40%, 15% with 45%.
It is delivered to after being mixed evenly and breaks up blender and carry out breaing up stirring, the sludge after stirring will be broken up and be delivered to wheel Pelletizer is ground, and 10% particular modification agent is added.
The splat that the diameter that rolling pelletizer generates is about 1cm is subjected to drying and processing, drying temperature setting 700 DEG C, aqueous 5% thermal-insulation particle below of generation is directly used as thermal insulation material.
The thermal-insulation particle preparation below of building mine rubbish, industrial residue crushing and screening aggregate 55% and aqueous 5% is added Insulation board.
The above is certain embodiments of the invention, is not departing from the present invention for those skilled in the art Under the premise of principle, resulting every other embodiment under the conditions of other improvements and non-novelty all should belong to protection of the present invention Range.

Claims (7)

1. a kind of method that industrial sludge and building mine rubbish, industrial residue prepare thermal-insulation particle, comprising the following steps:
Step (1): the building mine rubbish of collection, industrial residue are subjected to sieving approach.
Step (2): the big aggregate after screening transports row coarse crushing, screens out aggregate and powder after broken.
Step (3): the powder for building mine rubbish, industrial residue crushing and screening and general industry sludge are mixed.
Step (4): the sludge that step 3 mixes is carried out breaing up stirring by breaing up blender.
Step (5): the sludge after stirring will be broken up and be sent into rolling pelletizer, and 10% particular modification agent is added.
Step (6): the splat progress drying and processing for being about 1cm by the diameter that rolling pelletizer generates, aqueous the 5% of generation Thermal-insulation particle below is directly used as thermal insulation material.
Step (7): system is subjected to closed loop processing, the dust and exhaust gas utilization cyclone separator generated in drying course removes Dirt, desulfurizing tower desulfurization, active carbon adsorption column adsorption treatment exhaust gas, avoids foul smell and dust pollution.
Step (8): carrying out specification packaging for aqueous 5% thermal-insulation particle below and be made finished product, or by thermal-insulation particle and steps 1 and 2 Screening aggregate is processed into some thermal insulation materials.
2. preferably a kind of industrial sludge according to claim 1 and building mine rubbish, industrial residue preparation heat preservation grain The method of son, it is characterised in that: building mine rubbish, the advanced material bin of industrial residue described in step 1 slip to oscillating feeder In, oscillating feeder is castor structure, and band pre-screening function, as screenings, the material of > 10mm enters the powder of < 10mm Next step coarse fraction.
3. preferably a kind of industrial sludge according to claim 1 and building mine rubbish, industrial residue preparation heat preservation grain The method of son, it is characterised in that: big aggregate described in step 2 enters jaw crusher and carries out coarse crushing, and material is percutaneous after being crushed Band machine enters Complex-frequency screen, and the powder carry of the < 10mm that sifts to powder heap, oversize is delivered to aggregate heap.
4. preferably a kind of industrial sludge according to claim 1 and building mine rubbish, industrial residue preparation heat preservation grain The method of son, it is characterised in that: preferred, building mine rubbish, industrial residue described in step 3 and general industry sludge total amount Percentage is 30-40%, 10-15% and 40-50%, and general industry moisture percentage in sewage sludge is 60% or so.
5. preferably a kind of industrial sludge according to claim 1 and building mine rubbish, industrial residue preparation heat preservation grain The method of son, it is characterised in that: preferred, drying temperature described in step 6 is 650-800 DEG C, and dryer system utilizes biology The energy supply of matter particle burning, and heat exchanger is set, the preheating that desiccation preheating and remaining modifying agent are reacted to release with water collects, It is heated to next time, reduces energy consumption.
6. preferably a kind of industrial sludge according to claim 1 and building mine rubbish, industrial residue preparation heat preservation grain The method of son, it is characterised in that: the dust that dedusting is adsorbed described in step 7 is recycled back to step 3, and mixing with building mine rubbish makes With.
7. preferably a kind of industrial sludge according to claim 1 and building mine rubbish, industrial residue preparation heat preservation grain The method of son, it is characterised in that: further, the thermal-insulation particle of preparation described in step 8 can sieve bone with step 2 according to a certain percentage Material prepares insulation board brick.
CN201811394848.1A 2018-11-19 2018-11-19 A kind of method that industrial sludge prepares thermal-insulation particle with building waste, industrial residue Pending CN109251055A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110681310A (en) * 2019-09-02 2020-01-14 深圳市为海建材有限公司 Granulation equipment and method for preparing residual sludge soil particles
CN110803879A (en) * 2019-09-28 2020-02-18 中原环资科技有限公司 Inorganic waste synergistic comprehensive recycling process method

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110681310A (en) * 2019-09-02 2020-01-14 深圳市为海建材有限公司 Granulation equipment and method for preparing residual sludge soil particles
CN110803879A (en) * 2019-09-28 2020-02-18 中原环资科技有限公司 Inorganic waste synergistic comprehensive recycling process method

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Application publication date: 20190122